212 PRELIMINARY CATALOGUE OP PLANTS. 



Cladophora, Kg. 



C. fracta, Dillw. Varieties of this species are frequent. 



C. glomerata, Linn. Varieties are frequent in running waters. 



C. crispata. Roth. Frequent in standing waters. 



Chroolepus, Ag. 



C. umbrinum, Kg. On the bark of trees. 

 C. aureum, Kg. On moist rocks. 



Ulothrix, Kg. 



U. eubtilis, Kg. Plowing waters. 



U. flaccida, Kg. Green-houses, etc. 



U. tenuis, Kg. Rapid waters. 



U. parietina. Kg. Base of trees. 



U. varia. Kg. Moist earth. 



U. zonata, (Hormiscia,) Kg. Streams. 



Conferva, Lk. 



C. fioccosa, Ag. Frequent in streamlets. 



C. vulgaris, Rabh. Trenches. 



C. punctalis, Dillw. Meadow pools. 



C. bombycina, Ag. Ponds. 



C. fugacissima, Roth. Ponds. 



Ehizoclonium, Kg. 



R. hieroglyphicum, Ag. Ponds. 

 R. salinum, Kg. Atlantic City, etc. 

 R. fluitans, Kg. Bound Brook. 

 R. major, Wolle. Perth Amboy. 



SIPHONEjE. 

 Vaucheria, DO. 



V. sessilis, DC. Frequent on moist earth. 



V. geminata, DC. Pools and ponds. 



V. Dillwinii. Banks of ponds. 



V. Thuretii, Woron. Soil submerged by tides. 



Hydrog-astrum, Linn. 



H. granulatum, Desv. Moist earth, Bergen Co. 



PROTOCOCCOIDEM. 

 Volvox, Ehrh. 



v. globator, Ehrh. Newark, etc. 



